Description

While editing in Experience Editor or Content Editor, the Rich Text Editor dialog might be scrolled to the top. The issue affects Google Chrome and Microsoft Edge browsers.

Solution

To resolve this issue, consider one of the following options:

• Use Firefox or Internet Explorer browsers.
• Proceed as follows:
  
  1. Open [your_website]\sitecore\shell\Controls\Rich Text Editor\EditorPage.aspx file.
  2. Find and replace the following code:

     <script>
     fixFirefoxPaste();
     </script>
     

     with

     <script>
         fixFirefoxPaste();
     
         //Workaround for Bug #410133
         Telerik.Web.UI.Editor.DomRange.prototype.scrollIntoView = function(s){
             var r = s.anchorNode.parentNode;
             if((r.tagName.toLowerCase() != "body" && r.tagName.toLowerCase() != "html") && r.scrollIntoViewIfNeeded){
                 r.scrollIntoViewIfNeeded();
             }
         }
     </script>

  3. Clear your browser cache and refresh the page.